AD 69-11-01
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | M7 Aerospace LLC | SA26-AT | Airworthiness Directives; SWEARINGEN Model SA26-T and SA26-AT |
| aircraft | M7 Aerospace LLC | SA26-T | Airworthiness Directives; SWEARINGEN Model SA26-T and SA26-AT |
Unsafe Condition
Failures of cockpit side windows, part numbers 26-21288-1 and 26-21288-2.
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Required Actions
Operate aircraft with cabin pressure differential not exceeding 5.0 psi. Install placard indicating maximum allowable cabin pressure differential of 5.0 psi before first flight. Inspect cockpit side windows for cracks before each flight. If cracks found, operate unpressurized only. Install new windows per Swearingen SB 26-68 or equivalent to discontinue AD requirements.
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Compliance Time
After the effective date of this AD (May 26, 1969)
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Affected Aircraft
SWEARINGEN Model SA26-T, serial numbers T26-2 through T26-99, and Model SA26-AT, serial numbers T26-100 through T26-142.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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